✓ VERIFIED

Macintosh IIcx

M5650 · 1989–1991 · desktop

Specifications

Cpu: Motorola 68030 16 MHz + 68882 FPU 16 MHz (both standard, soldered)
Gpu: None onboard; NuBus video cards required
Ram: max: 128 MB (8×30-pin SIMM in two banks of four, 120 ns; needs MODE32 beyond 8 MB) · base: 1 MB
Ports: NuBus slots ×3 · ADB ×2 · SCSI (DB-25) · Serial ×2 (printer, modem) · DB-19 external floppy · Audio out
Display: None built in and no onboard video; requires a NuBus video card, up to three displays via the three slots
Storage: base: 40 MB SCSI HDD · options: 80 MB SCSI HDD · 1.44 MB SuperDrive floppy, second-floppy option
Os Support: latest: System 7.5.5 · shipped: System 6.0.3
Release Price: $5,369

Variants

Storage

40MB HDD

80MB HDD

Dual floppySecond-floppy configuration option

Upgrade paths

RAM

128 MB (8×30-pin SIMM) with MODE32 · Standard 30-pin SIMMs in matched banks of four; the tool-less snap-in internals make this one of the easiest Mac IIs to work on.

EASY

storage

Internal 3.5" SCSI drive or solid-state emulator · Compact case takes half-height drives only.

EASY

other

Logic board swap: IIci and even Quadra 700 boards fit the same case · A documented hobbyist path; the IIcx case was reused by the IIci and Quadra 700.

MODERATE